//C++
#include <stdio.h>
#include <iostream>
using namespace std;
namespace std
{
	
	int x = 1;
}
namespace std2
{
	int x =1;
}
int c = 0;
int main() 
	{
	int x = 3;
	/*int c = 1;
	cout << "hello world" << endl; 
	cout << "int c" << endl;
	printf("%d",::c);*/
	printf("%d\n", std::x);
	return 0;

	}
